简介:I免费n the ice-gripped environment of Alaska's Admiralty Island, summer offers the briefest of respites. Year-round residents such as bears and seals turn to the salmon-fi韩剧lled waterways for sustenance. Meanwhile, migrants descend in dr全集oves, from humpback whales to over 140 million母亲 seabird观看s--almost half the birds in the Northern Hemisphere.详情